Raccoon River Park Weather Forecast

    • 62
    • 81

    Decreasing Clouds

    • 66
    • 81

    Chance Rain Showers

    • 65
    • 84

    Chance Thunderstorms

    • 62
    • 81

    Mostly Sunny

    • 63
    • 78

    Slight Chance Thunderstorms

    • 64
    • 80

    Partly Sunny

    • 66
    • 83

    Slight Chance Thunderstorms

Today 19 Aug Polk

Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 19 Aug Polk

Partly cloudy this Evening, then clearing. Lows in the lower 60s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Raccoon River Park Temperature Statistics

August Temperature

Des Moines International Airport (3.7 miles)

  • Lowest 8 August, 2026

    62.7 °F

  • Average August

    76 °F

  • Highest 11 August, 2026

    92.6 °F

Climate (2021–2026)

Des Moines International Airport (3.7 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.5 °F
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